CHICAGO (Reuters) - Stryker Corp said on Tuesday it has
launched a partial knee resurfacing system in the United
States.

The system preserves the most amount of natural bone,
making it a less invasive way to treat diseased joints.

Kalamazoo, Michigan-based Stryker, one of the top makers of
reconstructive implants, said its system, called Triathlon PKR,
is beneficial because it allows surgeons to provide
personalized solutions by only shaving off diseased parts of
the knee rather than replacing larger parts of it, or the
entire knee joint.

Partial knee resurfacing requires less operating time than
total keep replacements and there is a shorter recovery period,
with some patients leaving the hospital in less than 24 hours,
Stryker said.

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Because less bone is removed, there is often less trauma to
soft tissue during surgery, which may leave the patient with a
more natural feeling knee than with a total knee replacement,
the company added.